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  • A Mitochondrial Intron in a Verongid Sponge

    Author(s)
    Erpenbeck, Dirk
    Aryasari, Ratih
    Hooper, John NA
    Woerheide, Gert
    Griffith University Author(s)
    Hooper, John N.
    Year published
    2015
    Metadata
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    Abstract
    We discovered for the first time a mitochondrial intron in a non-tetillid demosponge, which sheds new light on the interpretation of mitochondrial intron evolution among non-bilaterian animals and has consequences for phylogenetic and DNA barcoding studies. The newly discovered class 1 intron of Aplysinella rhax (Verongida) CO1 has an ORF for a putative LAGLIDADG-type and resembles other sponge and cnidarian mitochondrial introns. Our analysis of the Aplysinella rhax intron underlines that the patchy distribution of introns in sponges is caused by a combination of horizontal and vertical transmission. Further implications ...
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    We discovered for the first time a mitochondrial intron in a non-tetillid demosponge, which sheds new light on the interpretation of mitochondrial intron evolution among non-bilaterian animals and has consequences for phylogenetic and DNA barcoding studies. The newly discovered class 1 intron of Aplysinella rhax (Verongida) CO1 has an ORF for a putative LAGLIDADG-type and resembles other sponge and cnidarian mitochondrial introns. Our analysis of the Aplysinella rhax intron underlines that the patchy distribution of introns in sponges is caused by a combination of horizontal and vertical transmission. Further implications for CO1 phylogenetic and barcoding projects are discussed.
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    Journal Title
    Journal of molecular evolution
    Volume
    80
    Issue
    1
    DOI
    https://doi.org/10.1007/s00239-014-9653-9
    Subject
    Biochemistry and cell biology
    Biochemistry and cell biology not elsewhere classified
    Evolutionary biology
    Genetics
    Publication URI
    http://hdl.handle.net/10072/141737
    Collection
    • Journal articles

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